fix padplus float timestamp bug (#1985)
fix padplus float timestamp bug (#1985)

mukaiu/wechaty,zixia/wechaty,mukaiu/wechaty,binsee/wechaty,wechaty/wechaty,mukaiu/wechaty,wechaty/wechaty,zixia/wechaty,binsee/wechaty,binsee/wechaty,wechaty/wechaty